Facebook Ad (ROAS) Expert

We are Looking for a Facebook Ad Expert to drive our Facebook Ads and maximize our ROAS and Minimize our ads spend. We are in the fintech company where we connect borrowers and lenders. Only serious professionals who have experience in ROAS and can create Buyers persona to maximize our conversion and understand Facebook metrics can apply. We're not looking at someone to manage our Facebook Account. Given budgets may vary according to performance delivery.